package org.example.diyPointCut;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

/**
 * 使用注解方式实现AOP
 */
@Aspect
public class AnnotationPointCut {
    @Before("execution(* org.example.service.UserServiceImpl.*(..))")
    public void before() {
        System.out.println("=======before==============");
    }

    @After("execution(* org.example.service.UserServiceImpl.*(..))")
    public void after() {
        System.out.println("=======after==============");
    }

    // 在环绕增强中，我们可以给定一个参数，代表我们要获取处理切入的点
    @Around("execution(* org.example.service.UserServiceImpl.*(..))")
    public void aroud(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("环绕前...");
        Signature signature = joinPoint.getSignature();
        System.out.println("signature:" + signature);
        Object proceed = joinPoint.proceed();
        System.out.println("环绕后...");
    }
}
